<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div{
      width: 200px;
      height: 50px;
      border: 1px solid deepskyblue;
      /*文本对齐方式*/
      text-align: center;
      /*文本修饰 text-decoration overline underline line-through*/
      text-decoration: line-through;
      /*设置行高 单行文本时可以实现垂直居中,多行文本可以控制行间距*/
      line-height: 50px;
      /* 设置文本阴影: 颜色 x偏移值 y偏移值 模糊度*/
      text-shadow: cornflowerblue 20px 20px 5px;
      font-size: 20px;
      font-style: italic;/* 斜体*/
      font-family: cursive;
    }
    a{
      text-decoration: none;
      font-family: cursive;
    }
    h3{
      font-weight: normal;/* 去掉加粗*/
      font: 30px cursive;
    }
  </style>
</head>
<body>
<h3>这是h3</h3>
<a href="">你还要我怎样</a>
<div>有一天晚上,梦一场</div>
</body>
</html>